处于不适应的环境

Species-pairs were positive correlation,including 10 species-pairs were higher significant positive correlation and 24 speciespairs were significant positive correlation, and 263 species-pairs were negative correlation, including 8 species-pairs were higher significant negative correlation and 28 species-pairs were significant negative correlation, which were tested by Spearman＇ s rank correlation coefficient.

正负相关比为0.7643，显著种对占总对数的15.05%，群落优势种种间多呈不显著关联。2）按照31个建群种和优势种对环境的适应方式和主导生态因素，它们被划分为2个生态种组：芦苇组和早熟禾组。3）关帝山撂荒地植物群落以退耕还林的先锋物种为主，表明植物群落处于森林植被恢复的初期演替阶段。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。